SilverStone ALTA T1 Aluminum Unibody Super Tower Chassis

The SilverStone ALTA T1 Super Tower chassis features a premium aluminium unibody frame with support for up to four graphics cards, dual power supplies, and the advanced SSI-EEB format motherboard, extensive storage options for demanding workstation and enthusiast PC builds. Support for up to three 420mm radiators, generous GPU clearance up to 549mm, and a front I/O panel with dual USB Type-C ports provide modern connectivity.

Features

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Premium Aluminium Unibody Super Tower Chassis with Dual PSU Support and Up to 3 x 420mm Radiators

• 4.3–8.0 mm thick aluminium unibody frame for exceptional rigidity and clean aesthetics
• Supports SSI-EEB/ SSI-CEB/ Extended ATX/ ATX/ Micro-ATX/ Mini-ITX motherboards
• Up to four GPUs supported with 8 standard PCI / PCIe expansion slots
• Extreme cooling support with up to 3 x 420mm radiators
• Dual PSU support: 2U CRPS, mini-redundant and standard ATX
• Maximum GPU length up to 549 mm
• Supports up to 9 drives with flexible 3.5" / 2.5" configurations
• Front I/O includes 2 x USB Type-C, 2 x USB 3.0, and combo audio

Aluminium Unibody Craftsmanship

The 4.3–8mm thick unibody aluminium frame provides high structural strength, combining durability with a clean and refined premium appearance.

Flagship-Class Expandability

The spacious internal design supports SSI-EEB motherboards, up to four GPUs, and a full 8-slot expansion layout—purpose-built for high performance workstation builds.

Extreme 420mm Liquid Cooling

Supports up to three 420mm radiators, ensuring stable and efficient cooling even under long-duration, high-thermal workloads.

Internal Layout View

Click the device button to view detailed chassis component information.

Left Side

Fan

• Front : Supports 120mm x 2 reservoir, or distro plate only
• Rear: 120mm x 1 (pre-installed 120mm x 1 black fan)
• Top: 140mm x 3 / 120mm x 3 / 160mm x 3
• Left Side: 140mm x 3 / 120mm x 3 (pre-installed 140mm x 3 black fan)
• Right Side: 140mm x 3 /120mm x3

Radiator

• Rear : 120mm
• Top : 120 /140 / 240 / 280 / 360/ 420mm
• Left Side : 120 /140 / 240 / 280 / 360/ 420mm (Second PSU installation NOT supported)
• Right Side : 120 /140 / 240 / 280 / 360/ 420mm

Motherboard

• SSI-EEB/ SSI-CEB/ Extended ATX/ ATX/ Micro-ATX/ Mini-ITX

Cooler

• Limitation of CPU cooler : w/ expansion card retainer: 165mm, w/o expansion card retainer: 188mm

PCI Slot

• Standard PCI / PCIe slots x8
• Graphics card limit Length: w right side radiator: 404mm, w/o right side radiator: 549mm
• Graphics card limit Width: w/ expansion card retainer: 162mm, w/o expansion card retainer: 193mm

Capacity (SSD & HDD)

• Internal 3.5" x 2 (without left-side radiator or fan installed)
• 3.5" or 2.5"X2 , 2.5" x 3

Right Side

Capacity (SSD)

• 2.5" SSD x 2

Rear

PSU

• Primary: ATX / Mini Redundant / 2U CRPS Redundant
• Secondary: ATX( *When a second ATX PSU is installed, the left-side radiator/fan mounts and the two drive bays behind the PSU cage cannot be installed.)

Flexible Dual-PSU Architecture

Compatible with 2U CRPS, mini-redundant, and standard ATX (PS2) power supplies, allowing users to configure either high-capacity power delivery or redundant workstation-grade setups.

Smart Design. Effortless Convenience.

Dimensions